1. Create organization identity First, a new identity, with associated DID(s), needs to be created for the tuple (organization, environment). Using API Perform the following REST API call. Note that subject is optional. POST /internal/vdr/v2/subject Content-Type: application/json {"subject": "fooorg-acc"} Using Nuts Admin Log in to the organization ’s Nuts Admin application. Click on “Identities”. Click on the plus sign on the right side. Enter the subject: it consists of the tenant, dash, short form of the environment (e.g. fooorg-acc ). This will act as key when interacting with the Nuts node’s APIs for this instance. Note: as deployments are isolated, theoretically, a static key could be used. But having the tenant and environment in the name reduces the possibility of leakage due to mixed-up environments. Click on “Create Identity”.